Four-sided golf club groove sharpening tool



FIG. 1 is a rear view of a four-sided golf club groove sharpening tool;

FIG. 2 is a side view of a four-sided golf club groove sharpening tool;

FIG. 3 is a front view of a four-sided golf club groove sharpening tool;

FIG. 4 is a side perspective view of a four-sided golf club groove sharpening tool; and,

FIG. 5 is another side perspective view of a four-sided golf club groove sharpening tool. 

The ornamental design for a four-sided golf club groove sharpening tool, as shown and described. 